1. a person who stares with their mouth open, especially in wonder or shock
2. a type of large clam with a shell that cannot close completely
Usage: zoology

Examples

• The street performer drew a crowd of gapers who watched in amazement.
• Don’t be a gaper – help with the emergency instead of just staring.
• The tourists were obvious gapers, mouths agape at the towering skyscrapers.
• The accident caused traffic delays as gapers slowed down to look.
• Marine biologists studied the gaper clams in the tidal pools.
• The gaper’s shell remained partially open even when the mollusk tried to close it.